Lab12-3_PT12.5.4 - Use Telnet and SSH - ILM
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May 14, 2024
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Lab 12 Packet Tracer - Use Telnet and SSH Name: Kevin Chen
Make sure you get the starting config from netacad 12.5.4 this will have the starting devices set up for you.
Addressing Table
Device
Interface
IP Address
Subnet Mask
HQ
G0/0/1
64.100.1.1
255.255.255.0
PC0
NIC
DHCP
PC1
NIC
DHCP
Objectives
In this activity, you will establish a remote connection to a router using Telnet and SSH.
Verify connectivity
Access a remote device
Instructions
Part 1: Verify Connectivity
In this part, you will verify that the PC has IP addressing and can ping the remote router.
Step 1: Verify IP address on a PC.
a.
From a PC, clSick Desktop
. Click Command Prompt
.
b.
At the prompt, verify that the PC has an IP address from DHCP.
Question:
What command did you use to verify the IP address from DHCP?
By using the command (ipconfig) you are able to identify whether or not the PC has been assigned a IP address from the DCHP.
Include a screen shot
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Lab 12 Packet Tracer - Use Telnet and SSH
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Step 2: Verify connectivity to HQ.
Verify that you can ping the router HQ
usSSing the IP address listed in the Addressing Table.
Include a screen shot
Part 2: Access a Remote Device
In this part, you will attempt to establish a remote connection using Telnet and SSH.
Step 1: Telnet to HQ.
At the prompt, enter the command telnet 64.100.1.1
.
Question:
Were you successful? What was the output?
Using the telnet command, I was able to connect to the HQ IP address, but then it was forced closed by another entity.
The result which I received was: Trying 64.100.1.1 . . . Open
!Connection to 64.100.1.1 closed by foreign host!
Include a screen shot
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Lab 12 Packet Tracer - Use Telnet and SSH
Type your answers here.
Step 2: SSH to HQ.
The router is properly configured to not allow insecure Telnet access. You must use SSH. At the prompt, enter the command ssh -l admin 64.100.1.1
. Enter the password class
when prompted.
C:\> ssh -l admin 64.100.1.1
Password:
Question:
What is prompt after accessing the router successfully via SSH?
The prompt which was given when accessing the router properly was (HQ#)
Include a screen shot
Conclusion: In this lesson I was able test and verify connections of PC’s that were given assigned addresses from
the DCHP server, also I was testing to access a router through two commands one was denied due to the level of access and security I had using the telnet command that led to a disconnection. When using the SSH command I was prompted to have a password, which when properly accessed I was given a higher level privilege in order to access the router and use commands properly.
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